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The change in entropy, Delta S is positi...

The change in entropy, `Delta S` is positive for an endothermic reaction, if enthalpy change `Delta H` occurs at the same temperature T, then the reaction is feasible

A

At all temperatures

B

When `Delta H gt T Delta S`

C

When `Delta H lt T Delta S`

D

Not feasible at all

Text Solution

Verified by Experts

The correct Answer is:
C
`Delta G = -ve` if `DeltaH lt T Delta S`
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Knowledge Check

  • In which reaction Delta S is positive :-

    A
    `H_(2)O(l)rarr H_(2)O(s)`
    B
    `3O_(2)(g)rarr 2O_(3)(g)`
    C
    `H_(2)O(l)rarr H_(2)O(g)`
    D
    `N_(2)(g)+3H_(2)(g)rarr 2NH_(3)(g)`

  • For an endothermic reaction, DeltaS is positive. Then the reaction is

    A
    Feasible when `TDeltaSgtDeltaH`
    B
    Feasible when `DeltaHgtTDeltaS`
    C
    Feasible at all temperatures
    D
    Not feasible at all

  • For an endothermic reaction, Delta S is positive. Then the reaction is

    A
    Feasible when `T Delta S gt Delta H`
    B
    Feasible when `Delta H gt T Delta S`
    C
    Feasible at all temperatures
    D
    Not feasible at all

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